GoPro debuts smaller, more wearable cameras with improved optics

GoPro has refreshed its line of wearable, mountable cameras, making them smaller, lighter, and generally improving their specs across the board. The new Hero3+ series consists of a trio of cameras, all three of which are smaller than the outgoing Hero3 cameras. The Hero3+ Black Edition is the company’s new flagship. Priced at $ 399, it features reworked optics, a new 16:9 SuperView mode, and faster wireless connection.

GoPro also claims improved low-light performance with the Black Edition thanks to a new feature that automatically adjusts the frame rate while you film. It’s 20 percent smaller than the Hero3 Black Edition, and battery life — an important spec given the camera’s use-case — is said to be improved by up to 30 percent….